Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Pleasant Prairie experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 24°F in January while summers reach 72°F in July. The area gets 260 sunny days per year, above the national average. Annual precipitation totals 37.6 inches. The area receives 36.2 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 38. The city sits at an elevation of 731 feet.
Temperature
24°F Jan (-4°C)72°F Jul (22°C)
Annual Average
48.4°F
10% below US avg
January Average
24°F (-4°C)
July Average
72°F (22°C)
Sunny Days
260 days/yr
Geography
Elevation
731 ft (223 m)
Area
33.6 sq mi (87.1 km²)
Population Density
645/sq mi
Coordinates
42.5267°N, 87.8883°W
Timezone
America/Chicago
County
Kenosha County County
Nearest Airport
Kenosha Regional (ENW) 5 miles away
Precipitation & Snow
Annual Rainfall37.6"
1% below US avg
Snowfall36.2"
Wettest Month (Aug)3.98"
Driest Month (Feb)1.30"
Air Quality
AQI Median
38.0
Rating
Good
Natural Hazard Risk
Overall Risk
Relatively Moderate
Risk Score
85.0 / 100
Social Vulnerability
23.7 / 100
Community Resilience
97.3 / 100
Hazard Breakdown
Tornado
Relatively High
Hurricane
Very Low
Earthquake
Relatively Low
Wildfire
Very Low
Flood
Relatively Moderate
Hail
Relatively Moderate
Strong Wind
Relatively High
Heat Wave
Relatively Moderate
Winter Weather
Relatively Low
Lightning
Relatively High
Ice Storm
Relatively Low
Drought
Relatively Low
Cold Wave
Relatively High
Landslide
Very Low
Coastal Flood
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
6 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M4.2.
Jun 28, 2004
12 km NW of Dayton, Illinois
M4.2
145 km
10 km
Feb 10, 2010
2 km NW of Lily Lake, Illinois
M3.8
80 km
10 km
Nov 4, 2013
1 km SSW of Lyons, Illinois
M3.2
81 km
1 km
Jul 15, 2024
2 km WNW of Somonauk, Illinois
M3.1
119 km
10 km
Mar 25, 2015
3 km WNW of Lake in the Hills, Illinois
M2.9
54 km
6 km
Jun 10, 2013
4 km NNE of Virgil, Illinois
M2.6
79 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
395 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 74 fatalities, 1,773 injuries.
Date
Rating
Distance
Path
Fatalities
Apr 27, 1984
EF4
64 km
6.5 mi
1
Jun 13, 1976
EF4
96 km
3.3 mi
2
Sep 28, 1972
EF4
28 km
5.2 mi
0
Apr 21, 1967
EF4
52 km
8.8 mi
1
Apr 21, 1967
EF4
95 km
15.0 mi
33
Apr 21, 1967
EF4
91 km
25.5 mi
24
Apr 11, 1965
EF4
53 km
9.1 mi
6
Aug 22, 1964
EF4
95 km
2.2 mi
0
Jun 20, 2021
EF3
91 km
17.6 mi
0
Jan 7, 2008
EF3
36 km
10.8 mi
0
Jan 7, 2008
EF3
79 km
13.2 mi
0
Jun 5, 1980
EF3
98 km
10.7 mi
0
Jul 19, 1963
EF3
30 km
10.6 mi
0
Nov 22, 2010
EF2
91 km
18.1 mi
0
Jul 22, 2010
EF2
45 km
1.0 mi
0
Jun 21, 2010
EF2
63 km
5.2 mi
0
May 18, 1997
EF2
18 km
6.0 mi
0
Apr 19, 1996
EF2
10 km
2.0 mi
0
Sep 28, 1986
EF2
79 km
9.0 mi
0
Jun 15, 1981
EF2
94 km
28.7 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Tsunami History
1 tsunami recorded within 500 km.
Highest wave on record: 3.0 m (10 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1954
MICHIGAN CITY, IN (LAKE MICHIGAN)
Avalanche
3.0 m
7
124 km
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
2 wildfires (100+ acres) recorded within 100 km.
Largest: IBSP SOUTH F1 RX (690 acres, 2024).
Year
Name
Acres Burned
Distance
2024
IBSP SOUTH F1 RX
690
15 km
2024
RX-HWY Y - SOUTH
553
86 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
24°F (-4°C)
1.7 in
Coldest
February
24°F (-4°C)
1.3 in
Driest
March
34°F (1°C)
2.4 in
April
45°F (7°C)
3.7 in
May
56°F (13°C)
3.3 in
June
66°F (19°C)
3.8 in
July
72°F (22°C)
3.8 in
Warmest
August
70°F (21°C)
4.0 in
Wettest
September
62°F (17°C)
3.8 in
October
51°F (10°C)
2.4 in
November
38°F (3°C)
2.6 in
December
26°F (-4°C)
2.1 in
Pleasant Prairie has a seasonal temperature swing of 48°F / from 24°F in January to 72°F in July. Total annual precipitation is 34.9 inches, with August being the wettest month (4.0") and February the driest (1.3").
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